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Other Operating Income and Expenses - Schedule of Other Operating Income and Expenses (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other operating income |  |  |
Gains on sales of intangible assets and PP&E | kr 13 | kr 17 | kr 85
Gains on investments and sale of operations | 409 | 136 | 701
Other operating income | 2,807 | 841 | 445
Total other operating income | 3,229 | 994 | 1,231
Other operating expenses |  |  |
Losses on sales of intangible assets and PP&E | (21) |  | (54)
Losses on investments and sale of operations | (554) | (421) | (445)
Impairment of goodwill | (1,260) | (31,897) | 0
Other operating expenses | (764) | (541) | (3,994)
Total other operating expenses | kr (2,599) | kr (32,859) | kr (4,493)

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- Definition The gain on the disposal of investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 98 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_d&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The gain on disposals of non-current assets. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B67 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B67_d_v&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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